// which is the total amount of space, the total amount of free space, and the total
	// amount of free space available to the user that is associated with the calling thread.
	GetDiskFreeSpaceEx = kernel32.NewProc("GetDiskFreeSpaceExW")

	// GetDiskFreeSpace - https://msdn.microsoft.com/en-us/library/windows/desktop/aa364935(v=vs.85).aspx
	// Retrieves information about the specified disk, including the amount of free space on the disk.